Well, I think they thought that bitcoin is the primary currency that they are using nowadays and also many people they know that all the currency are depends with bitcoin, but it was just a kind of crypto currency. The bitcoin is not a risky, it is the volatility of the currency because it is so difficult to determined on when the price could happen the bull run market. But if you study well and have a deep knowledge about the market price and you have enough experience it wouldn’t be too risky because it was easy for you to earned profit.